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  3. If you are writing or studying , it makes very much difference where the ligh...

If you are writing or studying , it makes very much difference where the ligh...

admin2020-12-24  15
问题 If you are writing or studying , it makes very much difference where the light comes from. People use books and pens every day have to be especially careful about the way the light shines on their work.
Every house gets its light either from daylight through the windows-which is the best to use-or from lamps or electricity；but whichever kind of light it is, the way it shines toward our book or work is a matter of great importance to the eyes.
Take a book , sit with your back toward the window and to read. Your shadow( 影子) falls all over the page and makes it almost as bad for your eyes if you were in a dark room.
Now tum around and face the window. page is in the shadow again , while the bright light in your eyes.
Try sitting with your right side toward the window. This is very well for reading , but you were writing ,the shadow of your hand would fall across the and bother(打搅)you a little.
There is just one other way: sit with your left side to the window. Now everything is perfect for reading and for writing ,too.
Whatever kind of light is in the room , the rule about the right to sit is always the same.
50. The best way both for reading and for writing is to（   ）.
选项 A.sit facing the light
B.let the light shine from your back
C.sit with your right side towards the light
D.have the light come from your left
答案D
解析从倒数第二段的内容可知，左侧朝着窗户坐着，对于读和写来说都是好的。
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